Pure.Line Filter Elements

The right filtration solution for every hydraulic application.

Optimal fluid management is the basis for high machine availability, long service life, and economical processes. With Pure.Line Filter Elements, Hengst offers a comprehensive portfolio of high-quality hydraulic filter elements for a wide range of applications and operating conditions.

Whether you need maximum reserve power for critical systems or economically optimized filtration for standard applications – Pure.Line provides the technically and economically suitable solution for almost every hydraulic application.

With the two perfectly aligned product lines Pure.Power Filter Elements and Pure.Function Filter Elements, Hengst combines top filtration expertise, reliable oil purity, and proven quality. This way, users receive exactly the filtration solution their application requires – without overdimensioning and without compromises on safety or reliability.


Sustainability

Efficient filtration means more than clean oil. It helps save energy, conserve resources, and sustainably extend the service life of machines and components.

With innovative filtration technology, intelligent use of materials, and an environmentally conscious product design, Hengst pursues a clear objective: maximum efficiency with the greatest possible environmental responsibility.

Instead of unnecessary over-dimensioning, Pure.Line Filter Elements relies on application-appropriate filtration solutions. This reduces material use, energy consumption, and CO2 emissions – while maintaining high oil cleanliness, reliability, and product quality.

Cost-Efficiency

Every hydraulic system has different filtration requirements. Therefore, Pure.Line Filter Elements offers the economically appropriate solution for every application.

Pure.Power Filter Elements: maximizes uptime with its exceptionally high contaminant-holding capacity, reducing maintenance effort and unplanned machine downtime.

Pure.Function Filter Elements: was specifically designed for applications with defined maintenance intervals. The balanced combination of filtration performance, contaminant-holding capacity, and low differential pressure enables energy-efficient and economical filtration with low total cost of ownership (TCO).

The result:
maximum cost-effectiveness through technically tailored filtration—precisely aligned with your application’s requirements.


Variety


Hydraulic applications are as diverse as the requirements of their operators. Therefore, Pure.Line Filter Elements covers a broad spectrum of stationary and mobile hydraulic applications as well as lubrication oil systems. With broad portfolio coverage, excellent interchangeability, and a continuously expanding product range, Hengst offers suitable solutions for numerous OEM and aftermarket components. Whether for industrial hydraulics, mobile machinery, or spare-parts business, with Pure.Line Filter Elements you’ll find the right filtration solution.

Pure.Line Filter Elements – Your benefits at a glance

    Filtration solutions for virtually any hydraulic application
    Two product ranges optimally tailored to different requirements
    Reliable oil purity and high levels of protection for hydraulic systems
    Maximum service life and the highest performance reserves with Pure.Power Filter Elements
    Cost-effective filtration for defined maintenance intervals with Pure.Function Filter Elements
    Global availability and short lead times
    Proven Hengst quality for industrial and mobile hydraulics

Which solution is right for your application?
The choice between Pure.Power Filter Elements and Pure.Function Filter Elements is not necessarily determined by the industry, but by the requirements of your application.

Pure.Power Filter ElementsPure.Function Filter Elements     
- Maximum performance- Cost-effective filtration
- Critical applications- Standard applications
- Maximum service life- Low operating costs
- Broad fluid compatibility- Mineral oil
- Maximum safety- Best value for money

 

Benefits

Pure.Line Filter Elements – Your customer benefits at a glance:
  • Filtration solutions for virtually any hydraulic application

  • Two product ranges optimally tailored to different requirements

  • Reliable oil purity and high levels of protection for hydraulic systems

  • Maximum service life and the highest performance reserves with Pure.Power Filter Elements

  • Cost-effective filtration for defined maintenance intervals with Pure.Function Filter Elements

  • Global availability and short lead times

  • Proven Hengst quality for industrial and mobile hydraulics

Product variants

Pure.Power Filter Elements

Pure.Power Filter Elements

Maximum performance. Maximum safety.

Pure.Power Filter Elements are the premium product range within the Pure.Line and has been specially developed for demanding hydraulic applications where the focus is on maximum system availability and the highest level of operational safety.
The high-performance 6-layer media construction, featuring 3 staggered filtration-active glass fibre layers, combines the highest retention rates with an exceptionally high contaminant holding capacity. This ensures long service life, maximum oil purity and the highest performance reserves, even under dynamic operating conditions.
The electrically dissipative fleece (ESD) integrated as standard, the high mechanical stability and the broad range of fluid compatibility make Pure.Power Filter Elements the first choice for critical applications with the most stringent requirements for safety and reliability.

Your benefits

    Maximum filtration performance
    Highest contaminant holding capacity
    Very long service life
    Maximum plant availability
    Maximum operational reliability
    ESD protection integrated as standard
   
Suitable for mineral oils and numerous special fluids

Typical applications

    Wind energy
    Mining
    Steel industry
    Marine
    Paper industry
    Tunnel boring machines
    High-performance presses
    Critical industrial hydraulics

 

Pure.Function Filter Elements

Pure.Function Filter Elements

Efficient filtration. Precisely engineered.

Pure.Function Filter Elements are the cost-effective product range within the Pure.Line and has been specially developed for standard hydraulic applications with predictable maintenance intervals.
The multi-layer glass fibre filter medium ensures oil purity in accordance with ISO 16889 and offers a good balance between filtration performance, contaminant holding capacity and low differential pressure. This reduces energy losses and lowers operating costs in the long term.
Thanks to its high technical interchangeability, Pure.Function Filter Elements are ideally suited as a cost-effective replacement for numerous OEM and competitor elements. Users benefit from proven Hengst quality, short lead times and an attractive total cost of ownership.

Your benefits

    Cost-effective filtration for standard applications
    Oil purity in line with standards
    Low differential pressure for high energy efficiency
    Service life in line with market standards
    Attractive total cost of ownership
    High technical interchangeability
    Global availability
    Proven Hengst quality

Typical applications

    Machine tools
    Injection moulding machines
    Plastics processing
    Packaging technology
    Conveyor technology
    Agriculture
    Mobile hydraulics
    General mechanical engineering

Characteristic values

Characteristic valuesPure.Power Filter ElementsPure.Function Filter Elements
Filter fineness DIN245501; 3; 5; 10; 20 µm6; 10; 20 µm
Filtration performance ISO16889ß10 > 200ß10 > 200
Dirt holding capacity ISO16889++++
Differential pressure ISO3968+++
Filter medium3x glass fiber (single layer)1x glass fiber (duo layer)
Antistatic as standardyesno
HFC compatibleyesno
Service life*MaximisedStandard
Pulsation stability+++++

+ good / ++ very good / +++ excellent
*The filter service life depends on various influencing factors and may vary

Contact

Do you still have questions? We will be happy to help you.

Hydraulikfilter Hengst

Sales

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Further products

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Inline Filter
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Block Mounted Filter / Boost Filter
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Suction Filter
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Basket Filter
Basket Filter
Spin-On Filter
Spin-On Filter
Breather Filter
Breather Filter
Sensors and Measurement Technology
Sensors and Measurement Technology
Blue.on Hydraulic
Blue.on Hydraulic

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Hengst SE
Nienkamp 55-85
48147 Münster
GERMANY
© 2026 Hengst SE

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purifying our planet

Our corporate vision
Sustainable

We make the planet cleaner with our products. We also make the journey there as clean as possible.

Innovative

We develop the filtration solutions of the future. For our customers and for society.

Efficient

Our focus is on energy efficiency. This helps the environment and saves costs.